Color

#12baae

#12baae
hex#12baae
rgbrgb(18, 186, 174)
hslhsl(176, 82%, 40%)
oklchoklch(0.711 0.122 186.6)
Closest name: lightseagreen (#20b2aa)Relative luminance 0.383

Colors that go with #12baae

Charcoal, Denim and Midnight Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#ba121e

#12ba5b · #1271ba

#ae12ba · #baae12

Split-complementary

Open in tool →

#ba1271 · #ba5b12

#5b12ba · #ba121e · #71ba12

Contrast

#12baae as textRatioAAAA largeAAAFix
Aaon white
2.42:1failfailfail
  • AA: use #0d827a as the text (4.68:1)
  • AAA: use #0a615c as the text (7.3:1)
  • AA: or shift the background to #3b3b3b (4.62:1)
  • AAA: or shift the background to #1c1c1c (7.03:1)
Aaon black
8.66:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12baae as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #12baae
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #12baae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12baae-a2bdbe-d4599d-1f282d-e9f1ed?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md